Release mechanism for a buckle assembly



FIG. 1 shows a top, front and left side view of our design for a release mechanism for a buckle assembly;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a right side view with the lever in a raised position; and,

FIG. 8 is a bottom view thereof.

The features shown in broken lines show environmental structure only and form no part of the claimed design. 

CLAIM The ornamental design for a release mechanism for a buckle assembly, as shown and described. 